
The volcanic activity of the southern Cascades dominates this mid-1970s landscape, most notably around the looming presence of Lassen Peak. Large lava flows and distinct formations like Cinder Cone and Chaos Crags are mapped in detail alongside geothermal and geological landmarks such as Lava Tube Cave. This region is a confluence of major protected lands, including the Shasta National Forest, Lassen National Forest, and the northern reaches of Lassen Volcanic National Park.
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3 editions found
1886 · Alturas
USGS Topo · 1:250,000
1886 · Honey Lake
USGS Topo · 1:250,000
1886 · Lassen Peak
USGS Topo · 1:250,000
1886 · Modoc Lava Bed
USGS Topo · 1:250,000
1886 · Shasta
USGS Topo · 1:250,000
1890 · Red Bluff
USGS Topo · 1:250,000
1891 · Honey Lake
USGS Topo · 1:250,000
1892 · Modoc Lava-Bed
USGS Topo · 1:250,000
1892 · Lassen Peak
USGS Topo · 1:250,000
1892 · Alturas
USGS Topo · 1:250,000